Rhynchonellata - Athyridida - Athyrididae
Parent taxon: Athyrididae according to A. Williams et al. 2002
See also Alvarez and Brunton 1993 and Brunton and Champion 1974
Sister taxa: Athyris naliensis, Athyrisininae, Baliqliqia, Cleiothyridininae, Comelicaniinae, Didymothyridinae, Helenathyridinae, Janicepsinae, Kintathyris, Lochengiinae, Mayangella, Pachyplaxoides, Plicathyridinae, Pradoiinae, Protathyridinae, Spirigerellinae, Tarimathyris, Transcaucasathyriinae, Xenosariinae
Subtaxa: Actinoconchus Alvarezites Athyris Atrythyris Brimethyris Bruntonites Eifyris Gonathyris Imacanthyris Johnsonathyris Lamellosathyris Meristospira Pachyplax Protathyris Zonathyris
Type: Athyris
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Triassic of Bosnia and Herzegovina (10 collections), Canada (1: British Columbia), China (1), East Timor (1), Hungary (7), India (5), Indonesia (5), Italy (5), Nepal (1), New Caledonia (2), New Zealand (19), Serbia and Montenegro (1), Slovakia (1), Thailand (1), Turkey (1), United States (2: California, Nevada)
• Permian to Triassic of India (1)
• Permian of Australia (1), Azerbaijan (1), China (19), Indonesia (3), Laos (1), Pakistan (95), the Russian Federation (4), Svalbard and Jan Mayen (2), United States (4: Texas)
• Namurian of Australia (4)
• Chesterian of United States (6: Arkansas, Oklahoma)
• Osagean of Mexico (2), United States (1: Indiana)
• Mississippian of United States (6: Alaska, Arizona, California, Indiana)
• Carboniferous of Australia (17), Canada (2: Alberta, Yukon), China (3), Egypt (1), India (1), Ireland (3), Libya (1), Morocco (1), the United Kingdom (17), United States (26: Arizona, California, Georgia, Indiana, Iowa, Missouri, Nevada, New Mexico, Oklahoma, Texas, Utah, Virginia)
• Devonian to Carboniferous of the United Kingdom (1)
• Devonian of Afghanistan (6), Algeria (1), Australia (7), Belgium (77), Canada (27: Alberta, British Columbia, Manitoba, Northwest Territories, Nunavut, Ontario, Quebec, Yukon), China (36), the Czech Republic (4), France (27), Germany (34), Iran (2), Libya (4), Morocco (12), Myanmar (2), Poland (31), the Russian Federation (25), Spain (69), Tajikistan (6), Thailand (1), Ukraine (3), the United Kingdom (1), United States (365: Alaska, Colorado, Illinois, Indiana, Iowa, Kentucky, Michigan, Missouri, Montana, Nevada, New Mexico, New York, Ohio, Pennsylvania, Virginia, West Virginia, West Virginia, Maryland, Pennsylvania, Wisconsin), Venezuela (1), Vietnam (6)
• Silurian of Canada (5: Manitoba, Northwest Territories), China (15), Morocco (1), the United Kingdom (1), United States (8: Alaska, California, Kentucky, Nevada, Ohio, West Virginia)
Total: 1063 collections including 1228 occurrences